Through an analysis of the physiochemical water characteristics according to the drinking water standard, the following conclusions on the tea spring waters of Tongdo temple areas were drawn. First, an onsite survey within the Tongdo temple areas revealed a pH 6.40~8.60 (pH 7.09 on average), ORP of 7.10~165.70 mv (132.66 mv on average), DO of 5.70~9.90 mg/L (7.65 mg/L on average), and conductivity of 32.20 ~ 213.70 μs/cm (69.32 μs/cm on average) showing acceptable quality overall according to the drinking water standard of spring water. Second, according to microorganism analysis, mineral waters in some parts within the subject areas of Tongdo temple exceeded the standard value of the drinking water standard. Therefore, better quality of water is expected if an ultraviolet ray disinfectant is installed, or periodical management of hygiene is implemented. Third, inorganic and organic substances detrimental to human health were not detected overall, and those substances detected in minimal levels, such as fluorine, nitrate nitrogen and boron, were in conformity with the drinking water standard, representing favorable quality of water. Fourth, according to the research of aesthetic impact, subject mineral water was found to be soft water, and was suitable overall with the drinking water quality standard. Executive tea spring waters in Tongdo temple areas were generally in conformity with the drinking water quality standard, showing superior water quality, and can to be used effectively for drinking or tea water.
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